Composition, light shielding film, solid-state imaging element, image display device, and method for manufacturing cured film

Abstract

Provided are a composition with which a cured film having excellent light shielding properties and small change in reflectivity before and after a heat resistance test can be produced; a light shielding film; a solid-state imaging element; an image display device; and a method for manufacturing a cured film.The composition includes carbon black, silica, barium sulfate, a polymerizable compound, and a polymerization initiator.

What is claimed is: 
     
         1 . A composition comprising:
 carbon black;   silica;   barium sulfate;   a polymerizable compound; and   a polymerization initiator.   
     
     
         2 . The composition according to  claim 1 ,
 wherein the polymerizable compound includes a first polymerizable compound having 7 or more polymerizable groups.   
     
     
         3 . The composition according to  claim 2 ,
 wherein the polymerizable compound includes a second polymerizable compound having 6 or less polymerizable groups, and   a mass ratio of a content of the second polymerizable compound to a content of the first polymerizable compound is 30/70 to 95/5.   
     
     
         4 . The composition according to  claim 3 ,
 wherein all of the polymerizable groups included in the first polymerizable compound and the polymerizable groups included in the second polymerizable compound are an acryloyl group or a methacryloyl group.   
     
     
         5 . The composition according to  claim 1 ,
 wherein the polymerization initiator includes a compound represented by Formula (1),
                     
   in Formula (1), R represents a group represented by Formula (1a),
                     
   in Formula (1a), n represents an integer of 1 to 5, m represents an integer of 1 to 6, and * represents a bonding position.   
     
     
         6 . The composition according to  claim 1 , further comprising:
 one or more kinds of metal-containing particles selected from the group consisting of a metal nitride and a metal oxynitride.   
     
     
         7 . The composition according to  claim 1 ,
 wherein, in a case where the composition does not include one or more kinds of metal-containing particles selected from the group consisting of a metal nitride and a metal oxynitride, a content of the carbon black is 10% to 55% by mass with respect to a total solid content of the composition, and   in a case where the composition includes one or more kinds of metal-containing particles selected from the group consisting of a metal nitride and a metal oxynitride, a total content of the carbon black and the metal-containing particles is 10% to 55% by mass with respect to the total solid content of the composition.   
     
     
         8 . The composition according to  claim 1 ,
 wherein an average particle diameter of the silica is 3 to 200 nm.   
     
     
         9 . The composition according to  claim 1 ,
 wherein an average particle diameter of the barium sulfate is 3 to 200 nm.   
     
     
         10 . The composition according to  claim 1 , further comprising:
 a silicone-based surfactant.   
     
     
         11 . The composition according to  claim 10 ,
 wherein the silicone-based surfactant is a surfactant having a phenyl group.   
     
     
         12 . The composition according to  claim 1 , further comprising:
 copper phthalocyanines selected from the group consisting of copper phthalocyanine and a copper phthalocyanine derivative.   
     
     
         13 . The composition according to  claim 12 ,
 wherein the copper phthalocyanine derivative is a salt composed of copper phthalocyanine having a sulfonic acid group and dimethyldioctadecylammonium.   
     
     
         14 . The composition according to  claim 12 ,
 wherein a mass ratio of a content of the carbon black to a total content of the copper phthalocyanines is 4.0 to 99.   
     
     
         15 . The composition according to  claim 1 ,
 wherein a mass ratio of a content of the carbon black to a content of the silica is 3.0 to 99.   
     
     
         16 . The composition according to  claim 1 ,
 wherein a mass ratio of a content of the carbon black to a content of the barium sulfate is 1.5 to 99.   
     
     
         17 . The composition according to  claim 1 ,
 wherein a mass ratio of a content of the barium sulfate to a content of the silica is 0.25 to 4.0.   
     
     
         18 . The composition according to  claim 1 ,
 wherein a content of a solid content of the composition is 10% to 45% by mass with respect to a total mass of the composition.   
     
     
         19 . The composition according to  claim 1 ,
 wherein the composition is a composition for forming a light shielding film.   
     
     
         20 . A light shielding film comprising:
 a cured film formed from the composition according to  claim 1 .   
     
     
         21 . A solid-state imaging element comprising:
 a cured film formed from the composition according to  claim 1 .   
     
     
         22 . An image display device comprising:
 a cured film formed from the composition according to  claim 1 .   
     
     
         23 . A method for manufacturing a cured film, comprising:
 a composition layer forming step of forming a composition layer using the composition according to  claim 1  on a support;   an exposure step of exposing the composition layer by irradiating the composition layer with an actinic ray or a radiation; and   a development step of performing a development treatment on the composition layer after the exposure.